MAX5074 Maxim Integrated Products, MAX5074 Datasheet - Page 3
MAX5074
Manufacturer Part Number
MAX5074
Description
Power IC with Integrated MOSFETs
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5074.pdf
(13 pages)
Power IC with Integrated MOSFETs for Isolated IEEE
ELECTRICAL CHARACTERISTICS (continued)
(V
T
REGOUT LDO (REGOUT)
REGOUT Voltage Set Point
REGOUT Load Regulation
REGOUT Dropout Voltage
REGOUT Undervoltage Lockout
Threshold
REGOUT Undervoltage Lockout
Threshold Hysteresis
SOFT-START (CSS)
Soft-Start Current
INTEGRATING FAULT PROTECTION (FLTINT)
FLTINT Source Current
FLTINT Trip Point
FLTINT Hysteresis
INTERNAL POWER MOSFETs (See Figure 1, QH and QL)
On-Resistance
Off-State Leakage Current
Total Gate Charge Per FET
HIGH-SIDE DRIVER
Low-to-High Delay
High-to-Low Delay
Driver Output Voltage
LOW-SIDE DRIVER
Low-to-High Delay
High-to-Low Delay
CURRENT-LIMIT COMPARATOR (CS)
Current-Limit Threshold Voltage
Current-Limit Input Bias Current
A
HVIN
802.3af PD and Telecom Power-Supply Applications
= T
J
= 12V, C
= -40°C to +125°C, unless otherwise noted. Typical values are at T
PARAMETER
INBIAS
_______________________________________________________________________________________
= 1µF, C
REGOUT
SYMBOL
V
R
= 2.2µF, R
I
REGOUT
FLTINT
I
DS(ON)
V
I
BILIM
CSS
ILIM
RTCT
INBIAS floating, V
V
INBIAS floating, V
to 30mA
V
30mA
INBIAS floating, I
V
REGOUT rising
REGOUT falling
FLTINT rising
V
V
Driver delay until FET V
(V
Driver delay until FET V
(V
BST to XFRMRH with high side on
Driver delay until FET V
V
Driver delay until FET V
V
0 < V
INBIAS
INBIAS
INBIAS
DRVIN
XFRMRH
DRVIN
DRVIN
BST
BST
= 25kΩ, C
CS
- V
- V
and is fully on
and is fully off
= V
= V
= V
= V
< 0.3V
XFRMRH
XFRMRH
= V
BST
HVIN
HVIN
HVIN
SRC
RTCT
CONDITIONS
= 9V,
, I
= 11V to 76V
= 15V, I
) and is fully on
) and is fully off
REGOUT
HVIN
HVIN
= 0V, I
REGOUT
= 100pF, C
= 11V to 76V
= 15V, I
GS
GS
GS
GS
DS
REGOUT
A
= 30mA
reaches 0.9 x
reaches 0.1 x
reaches 0.9 x
reaches 0.1 x
= 30mA
= +25°C, unless otherwise noted.) (Note 1)
= 50mA
BST
REGOUT
= 0 to
= 0.22µF, V
= 0
CSS
MIN
140
8.3
9.5
6.6
-5
-2
= V
CS
= 0V, V
TYP
156
0.7
2.7
0.8
0.4
33
80
15
80
40
80
40
8
RAMP
MAX
11.0
0.25
0.25
1.25
1.25
www.DataSheet4U.com
172
9.2
7.4
0.8
+5
+2
= V
UVLO
UNITS
= 3V,
mV
nC
µA
µA
µA
µA
ns
ns
ns
ns
Ω
V
V
V
V
V
V
V
V
3